Story maps offer viewers a highly visual medium that incorporates text, multimedia, and (of course) maps into their narratives. Here, the GIS software giant Esri has curated a collection of approximately fifty stellar...

This tutorial provides an introduction to the science of geodesy, the discipline that deals with the measurement and representation of the earth, including its gravity field, in a three-dimensional time varying space....

Animation of an op-amp amplifier with a current input. This is a "transimpedance amplifier"-- an amplifier with a current input and a voltage output, constructed using an op-amp. Since the input current to the op-amp is...

This article, created by Thomas E. Bradstreet and Deborah L. Panebianco of Merck Research Laboratories, describes data from a drug interaction study of a new drug and a standard oral contraceptive therapy. Both normal...

This module consists of a PowerPoint presentation, labs, and syllabus designed to enhance automotive electrical courses with HEV technologies and was developed through seed funding from the CAAT. The PowerPoint provides...